What is the secondary audience?

次要读者是哪些？

youdao

This section establishes the need for the project; state primary and secondary audience.

本段在确立此专题的必须性，并说明首要与次要读者。

youdao

This year 7,494 students from 172 secondary schools and 22 tertiary institutions attended 80 performances and rehearsals. This amounted to an additional audience attendance of 12,178.

本届有来自172间中学及22间大专院校共计7,494名学生，观赏了80场演出及节目彩排，为入场观众再添12,178人次。

youdao

In addition, in contrast to sites and services whose primary target audience is children, and who must presume all users are children, sites and services that target children only as a secondary audience or to a lesser degree may differentiate among users, and will be required to provide notice and obtain parental consent only for those users who identify themselves as being younger than 13.

ENGADGET: FTC introduces changes to Children's Online Privacy Protection Act, parental permission now required to collect information